CN101708419B - Coal-fired flue gas denitration and desulfurization method combined with urea wet method - Google Patents
Coal-fired flue gas denitration and desulfurization method combined with urea wet method Download PDFInfo
- Publication number
- CN101708419B CN101708419B CN2009102629784A CN200910262978A CN101708419B CN 101708419 B CN101708419 B CN 101708419B CN 2009102629784 A CN2009102629784 A CN 2009102629784A CN 200910262978 A CN200910262978 A CN 200910262978A CN 101708419 B CN101708419 B CN 101708419B
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- China
- Prior art keywords
- coal
- fired flue
- urea
- denitration
- flue gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000004202 carbamide Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 30
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000003546 flue gas Substances 0.000 title claims abstract description 24
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 18
- 230000023556 desulfurization Effects 0.000 title claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- 238000005507 spraying Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 3
- 235000011130 ammonium sulphate Nutrition 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Treating Waste Gases (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009102629784A CN101708419B (en) | 2009-12-14 | 2009-12-14 | Coal-fired flue gas denitration and desulfurization method combined with urea wet method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009102629784A CN101708419B (en) | 2009-12-14 | 2009-12-14 | Coal-fired flue gas denitration and desulfurization method combined with urea wet method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101708419A CN101708419A (en) | 2010-05-19 |
CN101708419B true CN101708419B (en) | 2012-01-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009102629784A Expired - Fee Related CN101708419B (en) | 2009-12-14 | 2009-12-14 | Coal-fired flue gas denitration and desulfurization method combined with urea wet method |
Country Status (1)
Country | Link |
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CN (1) | CN101708419B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102120139B (en) * | 2011-02-18 | 2013-07-03 | 清华大学 | Wet type combined desulfuration and denitration device and method for coal-fired boiler |
CN103239977A (en) * | 2013-05-14 | 2013-08-14 | 成都信息工程学院 | Denitration method for cuprammouium complex by complexing absorption |
CN105066151A (en) * | 2015-07-20 | 2015-11-18 | 合肥科启环保科技有限公司 | Incineration and tail gas treatment process for waste tires |
CN105056745A (en) * | 2015-08-05 | 2015-11-18 | 哈尔滨工业大学 | Method for efficiently removing NO in flue gas |
CN109045958A (en) * | 2018-08-03 | 2018-12-21 | 杭州电子科技大学 | The equipment for denitrifying flue gas and method of urea and dioxygen water mixed liquid combination SNCR |
CN111036075A (en) * | 2019-12-30 | 2020-04-21 | 紫金铜业有限公司 | Method for treating high-concentration nitrogen oxide flue gas |
CN112999844B (en) * | 2021-03-05 | 2022-07-01 | 合肥热电集团有限公司 | Coal-fired power plant flue gas desulfurization and denitrification integrated treatment system and method |
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2009
- 2009-12-14 CN CN2009102629784A patent/CN101708419B/en not_active Expired - Fee Related
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Publication number | Publication date |
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CN101708419A (en) | 2010-05-19 |
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Owner name: STATE POWER ENVIRONMENTAL PROTECTION RESEARCH INST Free format text: FORMER OWNER: NANJING NORMAL UNIVERSITY Effective date: 20120529 Owner name: NANJING NORMAL UNIVERSITY Effective date: 20120529 |
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C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Xiaoming Inventor after: Yang Liu Inventor after: Li Zhonghua Inventor after: Xue Jianming Inventor after: Bai Yuan Inventor after: Qiao Huiping Inventor before: Yang Liu Inventor before: Qiao Huiping |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YANG LIU QIAO HUIPING TO: WANG XIAOMING YANG LIU LI ZHONGHUA XUE JIANMING BAI YUAN QIAO HUIPING Free format text: CORRECT: ADDRESS; FROM: 210046 NANJING, JIANGSU PROVINCE TO: 210031 NANJING, JIANGSU PROVINCE |
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TR01 | Transfer of patent right |
Effective date of registration: 20120529 Address after: 210031 Pudong Road, Pukou District, Jiangsu, No. 10, No. Co-patentee after: NANJING NORMAL University Patentee after: STATE POWER ENVIRONMENTAL PROTECTION Research Institute Address before: Yuen Road in Nanjing city Jiangsu province 210046 Xianlin new town No. 1 Patentee before: Nanjing Normal University |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 |
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CF01 | Termination of patent right due to non-payment of annual fee |